Earthquake Report

Magnitude: 0.7
Tue September 18, 2012 08:44:10 PM (PDT)
Event Id: 60453512
Version #4: This report supersedes any earlier report of this event
This event has been reviewed by a seismologist
Magnitude: 0.7 Md
Time: Tue September 18, 2012 08:44:10 PM (PDT)
Wed September 19, 2012 03:44:10 (UTC)
Distance From: 17.6 km ( 11.0 mi) ESE ( 116. azimuth) from Enumclaw, WA
36.4 km ( 22.6 mi) SSE ( 147. azimuth) from Maple Valley, WA
40.1 km ( 24.9 mi) S ( 179. azimuth) from North Bend, WA
Coordinates: 47.137, -121.778
Depth: 3.44 Km (2.1 miles)
Location Quality: Excellent
Event Id: 60453512
Horizontal Uncertainty: 0.42 Km
Depth Uncertainty: 0.91 Km
Azimuthal Gap: 107.0 deg
Number of Phases: 24
RMS Misfit: 0.16

Historic Activity

Focal Mechanism

More Information

Solution 1

Number of P First Motions: 10
Plane A Plane B Uncertainty
Strike 165º 49º 18.0º
Dip 80º 22º 13.0º
Rake 70º 153º 15.0º

Discrepant Stations


Map boundaries

 The red polygon is the reporting region for  this map; the black polygon is the authoritative region of the PNSN. Events inside the authoritative network are rendered as cirlces; events outside the authoritative region but inside the reporting region are rendered as squares. Explosions are always rendered as stars.  More

Cross Section

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